Home / 136,627.41-188,496.12-79,235.06

Finding the Fourth Proportional to 136,627.41, 188,496.12 and 79,235.06

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Solution

The fourth proportional to 136,627.41, 188,496.12 and 79,235.06 is: 109,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,627.41 : 188,496.12 = 79,235.06 : x
  2. Step 2: Convert to fraction form
    136,627.41/188,496.12 = 79,235.06/x
  3. Step 3: Cross multiply
    136,627.41x = 188,496.12 × 79,235.06
  4. Step 4: Simplify right side
    136,627.41x = 14,935,501,377.97
  5. Step 5: Solve for x
    x = 14,935,501,377.97/136,627.41
  6. Step 6: Final answer
    x = 109,315.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.